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參數(shù)資料
| 型號： | LA1265 |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PDIP22 |
| 封裝： | SDIP-22 |
| 文件頁數(shù)： | 13/15頁 |
| 文件大?。?/td> | 705K |
| 代理商： | LA1265 |
LA1265
No. 1820- 7/15
MW Fidelity Characteristics
Modulation frequency – Hz
Attenuation
–
dB
JK126517
T
o
tal
harmonic
distortion,
THD
–
%
57
100
2
1k
5
-20
2
35
7
3
0
1
2
3
4
5
6
-16
-12
-8
-4
0
4
1MHz reception
100dB/m input
30% mod
Attenuation
Distortion
Selectivity Characteristic
JK126519
Frequency deviation,
Δf -- kHz
-30
-20
-10
0 (1MHz)
20
30
10
-70
-60
-50
-40
-30
-20
-10
0
Output 25mV const.
IFT
HW-40174
SFZ450B
Attenuation
–
dB
Spurious Characteristic
Frequency, f -- Hz
Response
–
dB
JK126521
07
1M
2
10M
5
-100
2
35
7
3
-80
-60
-40
-20
0
20
400Hz-30% mod
Reception : 1kHz
Antenna input voltage – dBm
JK126515
Signal
meter
current,
I
SM
–
mA
0
20
40
60
80
120
0
100
0.1
140
0.2
0.3
VCC = 8.5V
Non-modulation
See test circuit.
AM Signal Meter Current Characteristic
LED-on
MW Detuning Characteristic
Frequency deviation,
Δf -- Hz
JK126520
-24
-16
-8
08
16
24
-28
-26
-24
-18
-16
-14
-20
100dBm
80dBm
45dBm
Detection
output
–
dBm
400Hz-30% mod
fo = 1MHz
MW Reception Characteristic
Receiving frequency, fr -- kHz
Interference
–
dB
JK126518
Sensiti
vity
–
dB/m
500
20
40
60
80
100
700
900
1100
1300
1500
Tracking adjust at each frequency
IF interference
Image
interference
Usable sensitivity (400Hz-30% mod., S/N = 20dB)
Max. sensitivity (400Hz-30%mod.,
detection output 20mV)
JK126516
AM Signal Meter Voltage Characteristic
Antenna input voltage – dBm
Signal
meter
v
oltage,
V
SM
–
V
0
20
40
60
80
120
0
100
0.5
2.0
3.0
LED-on
140
1.0
1.5
2.5
VCC = 8.5V
Non-modulation
See test circuit.
T
o
tal
harmonic
distortion,
THD
–
%
0
8
MW Input/Output Characteristics
Antenna input voltage – dBm
JK126514
1
2
3
4
5
6
7
0
-80
-60
-40
-20
0
20
40
60
80
120
100
140
VCC = 8.5V
1MHz reception
Mod. 400Hz, 30%
Noise voltage
Noise
v
oltage,
Detection
output
–
dBm
Detection output 400Hz-30%
THD 400Hz-80%
THD 400Hz-30%
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